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TC232EOE

更新时间： 2024-11-06 22:11:43
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TELCOM /
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3页 51K
描述
DUAL RS-232 TRANSMITTER/RECEIVER AND POWER SUPPLY

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TC232EOE 数据手册

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6
TC232*  
*Patented  
DUAL RS-232 TRANSMITTER/RECEIVER AND POWER SUPPLY  
FEATURES  
GENERAL DESCRIPTION  
■ Meets All RS-232 Specifications  
■ Operates From Single 5V Power Supply  
■ 2 Drivers and 2 Receivers  
The TC232 is a dual RS-232 transmitter/receiver that  
complies with EIA /TIA RS-232E guidelines and is ideal for  
all RS-232 communication links. This device operates from  
a 5V power supply and contains two charge pump voltage  
converters that produce ±10V power supplies.  
The TC232 has four level translators. Two are RS-232  
transmitters that convert TTL/CMOS input levels to 9V  
RS-232 outputs. The other two translators are RS-232  
receivers that convert RS-232 inputs to 5V TTL/CMOS  
output levels. The receivers have a nominal threshold of  
1.3V, a typical hysteresis of 0.5V, and can operate with  
inputs up to ±30V.  
■ On-Board Voltage Quadrupler  
■ Input Levels...................................................... ±30V  
■ Output Swing With +5V Supply ........................ ±9V  
■ Low Supply Current ........................................ 5 mA  
■ Does not require external ±12V supplies  
APPLICATIONS  
■ RS-232C Communication Links  
■ Modems, peripherals, computers  
■ Battery-powered systems  
ORDERING INFORMATION  
PIN CONFIGURATIONS (DIP AND SOIC)  
Part No.  
Package  
Temp. Range  
+
+
C
C
1
2
3
4
5
6
7
8
16  
V
1
2
3
4
5
6
7
8
16 V  
CC  
1
+
CC  
1
+
V
15 GND  
14 T1  
V
15 GND  
14 T1  
TC232COE  
TC232CPE  
TC232EOE  
TC232EPE  
TC232IJE  
16-Pin SOIC (Wide)  
16-Pin Plastic DIP  
16-Pin SOIC (Wide)  
16-Pin Plastic DIP  
16-Pin CerDIP  
0°C to +70°C  
0°C to +70°C  
–
–
C
C
1
1
OUT  
OUT  
+
+
C
R1  
C
R1  
13  
12 R1  
13  
12 R1  
IN  
IN  
2
–
2
–
C
C
TC232CPE  
TC232EPE  
TC232IJE  
TC232MJE  
TC232COE  
TC232EOE  
– 40°C to +85°C  
– 40°C to +85°C  
– 25°C to +85°C  
– 55°C to +125°C  
2
–
2
–
OUT  
IN  
OUT  
IN  
V
T1  
T2  
V
T1  
11  
11  
10  
9
T2  
T2  
10 T2  
OUT  
R2  
OUT  
R2  
IN  
IN  
9
IN  
IN  
R2  
R2  
OUT  
OUT  
TC232MJE  
16-Pin CerDIP  
TYPICAL APPLICATION  
+5V INPUT  
C3*  
10 µF  
+
+
10 µF  
16  
1
+
V
C
+
CC  
2
1
–
C1  
10 µF  
+
–
+5V TO +10V  
V
V
3
C
+10V  
VOLTAGE DOUBLER  
1
+
4
C3*  
+
2
–
2
+
–10V  
6
C
C
C2  
10 µF  
10 µF  
+10V TO –10V  
VOLTAGE INVERTER  
5
C4  
10 µF  
+5V  
+
400 kΩ  
400 kΩ  
T1  
T2  
T1  
14  
11  
IN  
OUT  
T1  
+5V  
RS-232  
OUTPUTS  
TTL/CMOS  
INPUTS  
T2  
7
10  
12  
9
IN  
OUT  
T2  
R1  
R1  
R1  
IN  
13  
8
OUT  
5 kΩ  
TTL/CMOS  
OUTPUTS  
RS-232  
INPUTS  
R2  
R2  
IN  
OUT  
R2  
5 kΩ  
GND  
*NOTE: C3 can be connected between  
V+ and V for convenience.  
15  
CC  
TC232-6 10/21/96  
TELCOM SEMICONDUCTOR, INC.  
6-3  
123

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